This is a note to let you know that I've just added the patch titled
ext4: fix lazytime optimization
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ext4-fix-lazytime-optimization.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 8f4d855839179f410fa910a26eb81d646d628f26 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <[email protected]>
Date: Thu, 14 May 2015 18:19:01 -0400
Subject: ext4: fix lazytime optimization
From: Theodore Ts'o <[email protected]>
commit 8f4d855839179f410fa910a26eb81d646d628f26 upstream.
We had a fencepost error in the lazytime optimization which means that
timestamp would get written to the wrong inode.
Signed-off-by: Theodore Ts'o <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/ext4/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4233,7 +4233,7 @@ static void ext4_update_other_inodes_tim
int inode_size = EXT4_INODE_SIZE(sb);
oi.orig_ino = orig_ino;
- ino = orig_ino & ~(inodes_per_block - 1);
+ ino = (orig_ino & ~(inodes_per_block - 1)) + 1;
for (i = 0; i < inodes_per_block; i++, ino++, buf += inode_size) {
if (ino == orig_ino)
continue;
Patches currently in stable-queue which might be from [email protected] are
queue-4.0/ext4-fix-lazytime-optimization.patch
queue-4.0/ext4-check-for-zero-length-extent-explicitly.patch
queue-4.0/ext4-fix-null-pointer-dereference-when-journal-restart-fails.patch
queue-4.0/jbd2-fix-r_count-overflows-leading-to-buffer-overflow-in-journal-recovery.patch
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